Kobe, Japan

Mariko Hashinokuchi

This inventor holds 2 USPTO granted patents and 5 published patent applications and 3 EPO patents. Top assignee: Sumitomo Rubber Industries Limited. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mariko Hashinokuchi. Retrieved from https://idiyas.com/inventor/mariko-hashinokuchi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 2 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.4

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Mariko Hashinokuchi: Innovator in Golf Ball Technology

Introduction

Mariko Hashinokuchi is a prominent inventor based in Kobe, Japan. She has made significant contributions to the field of sports equipment, particularly in golf ball technology. Her innovative designs aim to enhance the performance of golfers around the world.

Latest Patents

Mariko Hashinokuchi holds a patent for a golf ball that is designed to provide excellent flight distance on driver shots while maintaining a good spin rate on middle iron shots. The patent describes a golf ball comprising a spherical core and a cover, with specific hardness differences at various points from the center to the surface. This innovative design aims to optimize the performance characteristics of the golf ball.

Career Highlights

Throughout her career, Mariko has demonstrated a commitment to advancing sports technology. Her work at Sumitomo Rubber Industries Limited has positioned her as a key player in the development of high-performance golf balls. With her expertise, she has contributed to the company's reputation for quality and innovation in sports equipment.

Collaborations

Mariko has collaborated with talented individuals such as Hidetaka Inoue and Kazuya Kamino. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in the sports industry.

Conclusion

Mariko Hashinokuchi is a trailblazer in golf ball innovation, with her patented designs enhancing the game for golfers. Her contributions to Sumitomo Rubber Industries Limited and collaborations with fellow inventors highlight her dedication to excellence in sports technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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